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Marking SMD
JB
SMD Code
Package
Device Name
Manufacturer
Data
Datasheet
JB
SOT-23
BAV99
Panjit
Diodes
JB
SOD-123
KDZ4.3B
ROHM
Zener diode
JB
SOT-343R
RP130Q411B
Ricoh
LDO regulator
JB **
WQFN-20 3x3
RT8239AZQW
Richtek
Power-Supply Controller
JB-
SOT-89
RT9166-25PXL
Richtek
LDO regulator
JB-***
SOT-23
RT9818C-35PV
Richtek
Voltage Detector
JB=**
WQFN-20 3x3
RT8239AGQW
Richtek
Power-Supply Controller
JB=***
SOT-23
RT9818C-35GV
Richtek
Voltage Detector